<?php

class base_kvstore_ecae extends base_kvstore_abstract implements base_interface_kvstore_base {

    function __construct($prefix) {
        $this->prefix = $prefix;
    }
 // End Function
    public function create_key($key) {
        if (isset($key[201])) {
            return parent::create_key($key);
        }
        return sprintf("%s/%s/%s", base_kvstore::kvprefix(), $this->prefix, $key);
    }
 // End Function
    public function store($key, $value, $ttl = 0) {
        $data['key'] = $key;
        $data['prefix'] = $this->prefix;
        $data['value'] = $value;
        $data['ttl'] = $ttl;
        $data['dateline'] = time();
        return ecae_kvstore_write($this->create_key($key), $data);
    }
 // End Function
    public function fetch($key, &$value, $timeout_version = null) {
        if (ecae_kvstore_read($this->create_key($key), $data)) {
            if ($timeout_version < $data['dateline']) {
                if ($data['ttl'] > 0 && ($data['dateline'] + $data['ttl']) < time()) {
                    return false;
                }
                $value = $data['value'];
                return true;
            }
        }
        return false;
    }
 // End Function
    public function delete($key) {
        return ecae_kvstore_delete($this->create_key($key));
    }
 // End Function
    public function recovery($record) {
        $key = $record['key'];
        $data['key'] = $key;
        $data['prefix'] = $this->prefix;
        $data['value'] = $record['value'];
        $data['ttl'] = $record['ttl'];
        $data['dateline'] = $record['dateline'];
        return ecae_kvstore_write($this->create_key($key), $data);
    } // End Function
}//End Class